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current sensor module

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current sensor module Customers Reviews

  • Great for larger loads' current measurement!

    posted by pcmihnea

    This device couldn't be easier to use: at 0 amps load on the measurement pins (that are connected to the terminal block), it outputs 1/2 of it's supply voltage (so 2.5V at 5V supply, for ex.). For every 1 amp load, the output increases by 0.1V (if it is direct current), or decreases by 0.1V (if it is reverse current), making it easy to measure it with a micro-controller's ADC input.
    Be wary of your micro-controller's ADC input's resolution: at 10bits means a step (resolution) of only 0,00489V, so design your application accordingly.
    As long as you wish to measure larger loads, this will suit your needs. For smaller one, buy the 5A one.
  • The better current sensor

    posted by juloko

    This componet is essential for do it so much devices. Main feature is how little cheap and accurate.
    Great for read high currents. Essential for do it a wattmeter.
    The Allegro® ACS712 provides economical and precise solutions for AC or DC current sensing in industrial, commercial, and communications systems. The device package allows for easy implementation by the customer. Typical applications include motor control, load detection and management, switched-mode power supplies, and overcurrent fault protection. The device is not intended for automotive applications. For the automotive grade version, see ACS714.
  • Good hall-effect sensor

    posted by kirovclass

    Tiny board, a good choice if somebody is looking for a cheap hall-effect sensor to monitor currents.
    It would be nice to have a similar board designed for higher voltages (i.e. up to 220/380 V), i.e. with a better insulation design.
    The ACS712 is a very good chip for doing current sensing, and this simple board allows it to use it a very simple way.


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